Fluorescence is a property of some materials in which light is absorbed at specific wavelengths and subsequently emitted at a longer wavelength. The excitation wavelength is the characteristic wavelength that results in an emission of light.

Fluorometers are instruments that use specific or broadband excitation sources and emission detectors to determine the fluorescent response of a substance or an environment. Generally the fluorescence response is linearly proportional to the concentration of the material, allowing a fluorometeric approach to non-destructively measure the concentration of a particular fluorescent material.

WET Labs has pioneered the use of Light Emitting Diodes (LEDs) in fluorometers. The use of wavelength-specific LEDs and their relatively low power consumption allows for high signal-to-noise ratios and extremely low limits of detection.

Sensors
WETStar:
designed for use with pumped CTD and laboratory flow-through systems.

ECO Fluorometers:
designed with an open flat face, for use when a pump is not desired or needed.

More about...
Intro to IOPs
More on IOPs: absorption • beam attenuation • volume scattering function • fluorescence • turbidity • scattering

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